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Kimi K2.7 Code vs GPT 5.4 Nano

At a glance
MoonshotAIKimi K2.7 Code

MoonshotAI's coding-focused Kimi model for end-to-end software engineering.

82262K ctx$0.74/$3.50 per M#20/92
OpenAIGPT 5.4 Nano

Ultra-lightweight GPT-5.4 variant built for speed-critical, high-volume tasks.

79400K ctx$0.20/$1.25 per M#29/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
MoonshotAIKimi K2.7 Code
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter
Capability
CapabilityECI81.8
Reasoning & Knowledge
Graduate Science89.5%Factual Recall39.2%
Math
Competition Math96.4%Research Math—
Agentic
Novel Reasoning—
OpenAIGPT 5.4 Nano
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI78.7
Reasoning & Knowledge
Graduate Science78.5%Factual Recall12.0%
Math
Competition Math87.8%Research Math25.9%
Agentic
Novel Reasoning5.7%
Specs
MoonshotAIKimi K2.7 Code
262K
Context
16K
Max output
Jun 2026
Released
OpenAIGPT 5.4 Nano
400K
Context
128K
Max output
Mar 2026
Released
Capabilities
MoonshotAIKimi K2.7 Code
Vision
Audio
Reasoning
OpenAIGPT 5.4 Nano
Vision
Audio
Reasoning
Pricing
MoonshotAIKimi K2.7 Code
Live pricing, shown before you run
Input$0.74/M tokens
Output$3.50/M tokens
Cache read$0.15/M tokens
OpenAIGPT 5.4 Nano
Live pricing, shown before you run
Input$0.20/M tokens
Output$1.25/M tokens
Cache read$0.02/M tokens
Web search$0.01/search
Chat with Kimi K2.7 CodeGo to model
Chat with GPT 5.4 NanoGo to model
Frequently Asked Questions: Kimi K2.7 Code vs GPT 5.4 Nano▼

Which is better, Kimi K2.7 Code or GPT 5.4 Nano?

▼

Based on the Capability Index, Kimi K2.7 Code scores higher (81.8 vs 78.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Kimi K2.7 Code or GPT 5.4 Nano?

▼

GPT 5.4 Nano has a lower blended cost. Kimi K2.7 Code: $0.74 input / $3.50 output. GPT 5.4 Nano: $0.20 input / $1.25 output.

Which has a larger context window, Kimi K2.7 Code or GPT 5.4 Nano?

▼

GPT 5.4 Nano has a larger context window: Kimi K2.7 Code supports 262K tokens vs GPT 5.4 Nano at 400K tokens.

Do both Kimi K2.7 Code and GPT 5.4 Nano support vision?

▼

Yes, both Kimi K2.7 Code and GPT 5.4 Nano support vision/image input.

What are the key differences between Kimi K2.7 Code and GPT 5.4 Nano?

▼

Key differences: GPT 5.4 Nano is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Kimi K2.7 Code and GPT 5.4 Nano for free on idapt.app to see which performs better for your specific needs.

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